/* お得情報(キャンペーン・クーポン)。公式発表のみを掲載する旨と有効期限を目立たせる。 */
.offer-hero { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr); gap: 2rem; align-items: end; width: var(--wrap); margin: 0 auto 1.5rem; padding-top: var(--page-top); }
.offer-hero h1 { max-width: none; margin: .3rem 0 .6rem; line-height: 1.16; }
.offer-hero__copy > p:last-child { max-width: 40rem; color: var(--ink-2); font-size: var(--fs-s); }
.offer-hero > aside { padding: 1rem 1.2rem; border: 1px solid var(--blue-100); border-radius: var(--r-m); background: var(--blue-50); }
.offer-hero > aside strong { display: block; font-size: var(--fs-xs); }
.offer-hero > aside p { margin-top: .3rem; color: var(--ink-2); font-size: var(--fs-xs); line-height: 1.7; }
.offer-filter-panel, .offer-catalog, .offer-detail { width: var(--wrap); margin-inline: auto; }
.offer-filter-panel { padding: .9rem; border: 1px solid var(--line); border-radius: var(--r-m); background: var(--paper); box-shadow: var(--sh-1); }
.offer-filters { display: grid; grid-template-columns: repeat(3, 1fr) auto; gap: .6rem; align-items: end; }
.offer-catalog { padding-block: 3rem 4rem; }
.offer-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .8rem; }
.offer-card { gap: .8rem; padding: 1.2rem; }
.offer-card > header, .offer-card > footer { display: flex; gap: .6rem; align-items: center; justify-content: space-between; }
.offer-card > header strong.upcoming, .offer-state.upcoming { color: var(--amber-700); background: var(--amber-50); }
.offer-card > header strong.active, .offer-state.active { color: var(--green-d); background: var(--green-50); }
.offer-card__content { display: grid; gap: .5rem; }
.offer-card h2 { font-size: var(--fs-3); }
.offer-card h2 a:hover { color: var(--blue); }
.offer-card p { color: var(--ink-2); font-size: var(--fs-s); line-height: 1.7; }
.offer-card .benefit { color: var(--blue-d); font-size: var(--fs-4); line-height: 1.5; }
.language-note { width: fit-content; padding: .2rem .5rem; color: var(--amber-700); border-radius: var(--r-s); background: var(--amber-50); font-size: .62rem; font-weight: 700; }
.offer-card dl { margin-top: auto; }
.offer-card dl div { display: grid; grid-template-columns: 5rem 1fr; gap: .5rem; padding: .5rem 0; border-top: 1px solid var(--line); font-size: var(--fs-xs); }
.offer-card dt { color: var(--ink-3); }
.offer-card dd { margin: 0; }
.offer-card > footer { padding-top: .8rem; border-top: 1px solid var(--line); color: var(--ink-3); font-size: .66rem; }
.offer-card > footer a { color: var(--blue); font-size: var(--fs-xs); font-weight: 700; }

/* 詳細 */
.offer-detail { padding-top: var(--page-top); padding-bottom: 4rem; }
.offer-detail__hero { display: grid; margin-top: 1rem; padding: clamp(1.4rem, 4vw, 2.5rem); border: 1px solid var(--blue-100); border-radius: var(--r-l); background: var(--blue-50); }
.offer-detail__lead { max-width: 760px; }
.offer-detail__lead .offer-state { display: inline-flex; margin: .4rem 0 .6rem; }
.offer-state { padding: .22rem .6rem; border-radius: var(--r-p); font-size: .68rem; font-weight: 700; }
.offer-detail__lead h1 { max-width: 24ch; margin: .3rem 0 .6rem; }
.offer-detail__lead .offer-copy > p { max-width: 42rem; color: var(--ink-2); font-size: var(--fs-s); line-height: 1.8; }
.offer-benefit { display: block; margin-top: .9rem; color: var(--blue-d); font-size: var(--fs-2); font-weight: 800; }
.offer-primary { margin-top: 1.4rem; }
.language-fallback { width: fit-content; margin-bottom: .8rem; padding: .7rem .9rem; color: var(--amber-700); border: 1px solid var(--amber-100); border-radius: var(--r-m); background: var(--amber-50); }
.language-fallback strong { font-size: var(--fs-xs); }
.language-fallback p { margin-top: .15rem; font-size: .66rem; }
.offer-facts { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(260px, .5fr); gap: 2rem; padding-block: 2.5rem; }
.offer-facts dl > div { display: grid; grid-template-columns: 9rem 1fr; gap: 1rem; padding: .9rem 0; border-top: 1px solid var(--line); font-size: var(--fs-s); }
.offer-facts dt { color: var(--ink-3); }
.offer-facts dd { margin: 0; line-height: 1.75; }
.offer-expiry { align-self: start; padding: 1.1rem 1.2rem; border: 1px solid var(--amber-100); border-radius: var(--r-l); background: var(--amber-50); }
.offer-expiry strong, .offer-expiry time { display: block; }
.offer-expiry strong { color: var(--amber-700); font-size: var(--fs-xs); line-height: 1.7; }
.offer-expiry time { margin-top: .6rem; font-size: var(--fs-s); font-weight: 700; }
.offer-place { margin-bottom: 3rem; }
.offer-place article { display: grid; grid-template-columns: 1fr auto; gap: .3rem 1rem; padding: 1.2rem; border: 1px solid var(--line); border-radius: var(--r-l); background: var(--paper); }
.offer-place article > p { color: var(--ink-3); font-size: var(--fs-xs); }
.offer-place article h3 { font-size: var(--fs-4); }
.offer-place article > a { grid-row: 1 / 4; grid-column: 2; align-self: center; }
.offer-source { display: flex; gap: 2rem; align-items: center; justify-content: space-between; padding: 1.2rem 1.4rem; border: 1px solid var(--line); border-radius: var(--r-l); background: var(--bg); }
.offer-source strong, .offer-source span, .offer-source small { display: block; }
.offer-source span, .offer-source small { margin-top: .15rem; color: var(--ink-3); font-size: .66rem; }

@media (max-width: 900px) {
  /* SP。段はこの1本だけ */
  .offer-hero { gap: .8rem; padding-top: .7rem; }
  .offer-hero h1 { font-size: clamp(1.4rem, 6vw, 1.7rem); line-height: 1.18; }
  .offer-hero__copy > p:last-child { font-size: .72rem; line-height: 1.65; }
  .offer-hero > aside { padding: .8rem; }
  .offer-hero, .offer-filters, .offer-grid, .offer-facts { grid-template-columns: 1fr; }
  .offer-facts dl > div { grid-template-columns: 1fr; gap: .3rem; }
  .offer-place article { grid-template-columns: 1fr; }
  .offer-place article > a { grid-row: auto; grid-column: auto; }
  .offer-source { align-items: start; flex-direction: column; gap: 1rem; }
}